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<table width="100%" summary="page for treering"><tr><td>treering</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>
Yearly Treering Data, -6000&ndash;1979
</h2>

<h3>Description</h3>

<p>Contains normalized tree-ring widths in dimensionless units.
</p>


<h3>Usage</h3>

<pre>
treering
</pre>


<h3>Format</h3>

<p>A univariate time series with 7981 observations. The object is of
class <code>"ts"</code>.
</p>
<p>Each tree ring corresponds to one year.
</p>


<h3>Details</h3>

<p>The data were recorded by Donald A. Graybill, 1980, from
Gt Basin Bristlecone Pine 2805M, 3726-11810 in Methuselah Walk, California.
</p>


<h3>Source</h3>

<p>Time Series Data Library:
<a href="http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/">http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/</a>,
series &lsquo;<span class="file">CA535.DAT</span>&rsquo;



</p>


<h3>References</h3>

<p>For some photos of Methuselah Walk see
<a href="https://web.archive.org/web/20110523225828/http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html">https://web.archive.org/web/20110523225828/http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html</a>
</p>


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